Using Screen Time to lock down specific apps is nowhere near an official feature, and feels very much like a workaround, but it's the best iOS users have right now. Comments Mobile iOS 12 Apple. Lock it down: The macOS security guide (updated) Apple’s systems are highly secure, but if your private or enterprise data matters to you, it’s essential to ensure your Mac is as secure as. How to lock individual apps on Mac? In the app locker for Mac, click the Add App button from the toolbar, which will bring up a Finder window. From the Applications folder, select one or multiple apps that you want to password lock.

How To Lock System With Password

Keychain Access User Guide

Your keychain may be locked automatically if your computer has been inactive for a period of time or your user password and keychain password are out of sync.You can set a length of time that Keychain Access waits before automatically requiring you to enter your password again.

In the Keychain Access app on your Mac, click “login” in the Keychains list.
Choose Edit > Change Settings for Keychain “login.”
Select the “Lock after” checkbox, then enter a number of minutes.
If you want to require a password each time the computer goes to sleep, select the “Lock when sleeping” checkbox.
Click Save.

Preview User Guide

You can give a PDF a password that everyone must enter to open the file. The password is used to encrypt the file.

In the Preview app on your Mac, open the PDF that you want to password-protect.
Choose File > Export, then select Encrypt.
You can also enter a new name for the PDF if you want to create a passworded copy and keep the original PDF unencrypted.
Type a password, then retype it to verify the password.
Click Save.

How To Password Lock Mac Apps Windows 10

To remove a password from a PDF that you encrypted, open the PDF and export it again, this time turning off the encryption option.

How To Password Lock Computer

See alsoManage versions of a Preview document in Preview on MacLock PDFs and images in Preview on Mac